Sealed · 9.9 L net
Manufacturer external dimensions (width × height × depth): 305 × 254 × 219 mm.
Panel thickness: 19 mm.
Driver displacement: 0.51 L.
Loads net volume; dimensions are fitted in CarBoxLab.
JL Audio / SUBWOOFER
JL Audio 8W1v3-4 — specifications and enclosures
JL Audio 8W1v3-4: T/S parameters, mounting dimensions and manufacturer enclosure recommendations. Read the original PDF and load the driver into the 3D designer.
Le is not published. Manufacturer dimensions are reference data; the designer fits its own geometry.
Manufacturer enclosure recommendations
Bass-reflex · 14.2 L net
Tuning Fb: 38 Hz.
Manufacturer external dimensions (width × height × depth): 330 × 254 × 283 mm.
Manufacturer port: shape: round, diameter: 51 mm, length: 254 mm.
Panel thickness: 19 mm.
Driver displacement: 0.51 L.
Loads net volume and tuning; design port geometry in CarBoxLab.
Calculator parameters
| Fs | 35.4 Hz |
|---|---|
| Vas | 19.26 L |
| Qes | 0.451 |
| Qms | 5.791 |
| Re | 4.06 Ω |
| Sd | 211 cm² |
| Le | Not provided / unverified |
| One-way linear Xmax | 8 mm |
| Frame diameter | 21.6 cm |
| Mounting cutout | 18 cm |
| Mounting depth | 9.8 cm |
Additional manufacturer specifications
| Continuous power | 150 W |
|---|---|
| Nominal impedance | 4 Ω |
Data is for one subwoofer. Manufacturer recommendations are separate from CarBoxLab calculations. Net air volume excludes the driver, port and bracing; design dimensions are external. Loading a recommendation transfers the verified volume and tuning; confirm port geometry and construction separately.
Source documentation
Original manufacturer documents are not translated. Data reviewed: 2026-10-31.